“春池春水满,春时春草生,春人饮春酒,春鸟戏春风.”这首诗中“春”字占全诗总字数的.
20÷( )== (小数)= %= 折.
=18: = :20== ÷40.
: =15÷ == (填小数).
= : ==6÷ .
0.6==18÷ = :10= %